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Mackie

Mackie HM-400 Rack-Mountable, 4-Channel Headphone Amplifier

Mackie HM-400 Rack-Mountable, 4-Channel Headphone Amplifier

SKU:SKU: HM-400

Regular price Dhs. 949.00
Regular price Sale price Dhs. 949.00
Sale Sold out
Inclusive of VAT
Shipping calculated at checkout.

Low stock: 1 left

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Key Features

  • XLR & 1/4" Stereo Inputs and Outputs
  • Three Headphone Outputs per Channel
  • Per-Channel 1/4" Stereo Aux Input
  • 2-Band EQ, Balance, and Output Controls
  • L/R Mute Switches
  • Stereo/Mono Mode Switches
  • LED Metering
  • Includes Power Cable

View full details
  • Description
  • Technical Specification
  • In the Box
  • Delivery & Shipping Policy

Mackie HM-400 Overview

The Mackie HM-400 is a rack-mountable, 4-channel headphone amplifier designed to provide versatile headphone amplification for artists, musicians, and engineers monitoring through headphones in live stage applications and home, project, commercial, and mobile-recording studios. It features a stereo main output via XLR and 1/4" jacks and twelve 1/4" TRS stereo headphone outputs—three per channel—fed by a customizable blend of inputs.

One stereo main input via XLR and 1/4" jacks can be mixed with a per-channel 1/4" stereo aux input. Each channel offers 2-band EQ for quick tone shaping, stereo balance or main/aux input mix control, and output level adjustments. Also on each channel are switches for muting left and/or right signals and operating in stereo or mono. 7-segment LED meters display main input and per-channel output levels.

Mackie HM-400 Specs

General

• Number of Headphone Channels: 4-Channel

• Headphone Output Power: 550 mW per Side into 47 Ohms (Max)

• EQ: 2-Band EQ per Channel

• Display: 5x Multi-Segment LED Meter

Connectivity (Analog Audio I/O)

• 2x XLR 3-Pin Balanced Input (1 Stereo Pair)

• 2x 1/4" TRS Balanced/Unbalanced Input (1 Stereo Pair)

• 1x 1/4" TRS Unbalanced Stereo Input

• 4x 1/4" TRS Unbalanced Stereo Aux Input

• 2x XLR 3-Pin Balanced Output (1 Stereo Pair)

• 2x 1/4" TRS Balanced Output (1 Stereo Pair)

• 12x 1/4" TRS Unbalanced Headphone Output

Performance

• Frequency Response: 20 Hz to 20 kHz ±1 dB

• Gain/Trim Range (Inputs): -66 to +18 dBu

• Maximum Input Level (Line Inputs): +15 dBu

• Maximum Input Level (Aux Inputs): +20 dBu

• Maximum Output Level (Headphone Outputs): +21 dBu

• Input Impedance (Balanced): 20 Kilohms

• Input Impedance (Unbalanced): 10 Kilohms

• Aux Input Impedance (Unbalanced): 10 Kilohms

• Headphone Output Impedance: 3 Ohms (Unbalanced)

• THD: < 0.01% (at +4 dBu, 1 kHz, Unity Gain)

• Noise: -66 dB

• CMRR (Line Inputs): > 42 dB (1 kHz)

Power

• Power Requirements: AC Input

• AC Input Power: 100 to 120 VAC, 50/60 Hz / 220 to 240 VAC, 50/60 Hz

• Power Consumption: 24 W

Physical

• Rackmount Size: 1 RU

• Dimensions: 19 x 8.8 x 1.8" / 483 x 224 x 46 mm

• Weight: 8.0 lb / 3.6 kg

Packaging Info

• Package Weight: 9.75 lb

• Box Dimensions (LxWxH): 20.8 x 10.6 x 4.1"

  • Mackie HM-400 Rack-Mountable, 4-Channel Headphone Amplifier
  • Power Cable
  •  Limited 1-Year Manufacturer Warranty

At AVTstore, we're committed to delivering your orders swiftly and securely across the GCC countries . Please take a moment to review our shipping policy for important details on delivery options, shipping fees, and timelines.

1. Delivery Coverage

  • We proudly ship across the UAE and GCC countries, offering fast and reliable delivery on photography, video, audio, and professional production equipment. Shop with confidence and get your gear delivered wherever you are.

2. Shipping Fees

  • Free Delivery on all orders above AED 250 within the UAE.
  • For orders below AED 250, a shipping fee will be calculated at checkout based on your location.
  • For orders shipped outside the UAE, including GCC countries, shipping charges are calculated based on the weight, dimensions, and destination of the order and will be displayed at checkout prior to payment.

3. Estimated Delivery Time

  •  UAE Deliveries: Expect your order to arrive within 1-2 business day, excluding weekends and public holidays.
  • GCC Countries: Estimated delivery time is 3–5 business days from the date of dispatch, depending on the destination, carrier schedules, and customs clearance requirements.

 Please note: Delivery times are subject to product availability and order verification.

4. Customs, Duties & Taxes

  • Orders shipped to GCC countries may be subject to customs duties, VAT, import taxes, and other regulatory charges imposed by the destination country’s authorities.

Please note that such charges:

* Are not included in the product price or shipping fees
* Are assessed by the relevant customs and tax authorities of the destination country
* Must be borne by the recipient

AVTstore neither determines nor collects these charges and is unable to provide estimates. Customers are responsible for ensuring compliance with local import regulations and are encouraged to contact their local customs authority for detailed information prior to placing an order.

5. Order Processing Timeline

  • Orders placed on business days before 12 PM are processed the same day.
  •  Orders placed after 12 PM, or on weekends/public holidays, will be processed on the next business day.
  • Once confirmed, you'll receive an order summary and tracking details via email.

6. Trusted Shipping Partners

  • We work with top-tier courier services such as DHL, Aramex, and other local logistics providers to ensure fast, safe, and reliable delivery of your orders.

7. Tracking Your Order

  • As soon as your package ships, you'll receive a tracking number via email, so you can follow its journey right to your doorstep.

8. Missed Deliveries

  • If delivery fails due to an incorrect address or the recipient being unavailable, the courier may attempt redelivery. Please note: Additional fees may apply for reshipping.

9. Damaged or Lost Packages

  • In the rare case your order arrives damaged or goes missing, contact us immediately at sales@avtstore.com or call +971 562602066. We'll coordinate with our courier partners to resolve the issue swiftly.

10. Cancelling or Modifying Orders

  • Need to make a change? 
    You may cancel or modify your order within 12 hours of placing it. After that, once the order is processed and shipped, changes or cancellations are no longer possible.

11. Special Delivery Requests

  • Have specific delivery instructions?

Simply include them in the "Order Notes" section during checkout - we'll do our best to accommodate your preferences.

Need Help?
We're here to assist you!
For any shipping related questions or concerns, please reach out to our customer support team:

Your satisfaction is our priority,  Thank you for choosing AVTstore.

Description â–¾

Mackie HM-400 Overview

The Mackie HM-400 is a rack-mountable, 4-channel headphone amplifier designed to provide versatile headphone amplification for artists, musicians, and engineers monitoring through headphones in live stage applications and home, project, commercial, and mobile-recording studios. It features a stereo main output via XLR and 1/4" jacks and twelve 1/4" TRS stereo headphone outputs—three per channel—fed by a customizable blend of inputs.

One stereo main input via XLR and 1/4" jacks can be mixed with a per-channel 1/4" stereo aux input. Each channel offers 2-band EQ for quick tone shaping, stereo balance or main/aux input mix control, and output level adjustments. Also on each channel are switches for muting left and/or right signals and operating in stereo or mono. 7-segment LED meters display main input and per-channel output levels.

Technical Specification â–¾

Mackie HM-400 Specs

General

• Number of Headphone Channels: 4-Channel

• Headphone Output Power: 550 mW per Side into 47 Ohms (Max)

• EQ: 2-Band EQ per Channel

• Display: 5x Multi-Segment LED Meter

Connectivity (Analog Audio I/O)

• 2x XLR 3-Pin Balanced Input (1 Stereo Pair)

• 2x 1/4" TRS Balanced/Unbalanced Input (1 Stereo Pair)

• 1x 1/4" TRS Unbalanced Stereo Input

• 4x 1/4" TRS Unbalanced Stereo Aux Input

• 2x XLR 3-Pin Balanced Output (1 Stereo Pair)

• 2x 1/4" TRS Balanced Output (1 Stereo Pair)

• 12x 1/4" TRS Unbalanced Headphone Output

Performance

• Frequency Response: 20 Hz to 20 kHz ±1 dB

• Gain/Trim Range (Inputs): -66 to +18 dBu

• Maximum Input Level (Line Inputs): +15 dBu

• Maximum Input Level (Aux Inputs): +20 dBu

• Maximum Output Level (Headphone Outputs): +21 dBu

• Input Impedance (Balanced): 20 Kilohms

• Input Impedance (Unbalanced): 10 Kilohms

• Aux Input Impedance (Unbalanced): 10 Kilohms

• Headphone Output Impedance: 3 Ohms (Unbalanced)

• THD: < 0.01% (at +4 dBu, 1 kHz, Unity Gain)

• Noise: -66 dB

• CMRR (Line Inputs): > 42 dB (1 kHz)

Power

• Power Requirements: AC Input

• AC Input Power: 100 to 120 VAC, 50/60 Hz / 220 to 240 VAC, 50/60 Hz

• Power Consumption: 24 W

Physical

• Rackmount Size: 1 RU

• Dimensions: 19 x 8.8 x 1.8" / 483 x 224 x 46 mm

• Weight: 8.0 lb / 3.6 kg

Packaging Info

• Package Weight: 9.75 lb

• Box Dimensions (LxWxH): 20.8 x 10.6 x 4.1"

In the Box â–¾
  • Mackie HM-400 Rack-Mountable, 4-Channel Headphone Amplifier
  • Power Cable
  •  Limited 1-Year Manufacturer Warranty
Delivery & Shipping Policy â–¾

At AVTstore, we're committed to delivering your orders swiftly and securely across the GCC countries . Please take a moment to review our shipping policy for important details on delivery options, shipping fees, and timelines.

1. Delivery Coverage

  • We proudly ship across the UAE and GCC countries, offering fast and reliable delivery on photography, video, audio, and professional production equipment. Shop with confidence and get your gear delivered wherever you are.

2. Shipping Fees

  • Free Delivery on all orders above AED 250 within the UAE.
  • For orders below AED 250, a shipping fee will be calculated at checkout based on your location.
  • For orders shipped outside the UAE, including GCC countries, shipping charges are calculated based on the weight, dimensions, and destination of the order and will be displayed at checkout prior to payment.

3. Estimated Delivery Time

  •  UAE Deliveries: Expect your order to arrive within 1-2 business day, excluding weekends and public holidays.
  • GCC Countries: Estimated delivery time is 3–5 business days from the date of dispatch, depending on the destination, carrier schedules, and customs clearance requirements.

 Please note: Delivery times are subject to product availability and order verification.

4. Customs, Duties & Taxes

  • Orders shipped to GCC countries may be subject to customs duties, VAT, import taxes, and other regulatory charges imposed by the destination country’s authorities.

Please note that such charges:

* Are not included in the product price or shipping fees
* Are assessed by the relevant customs and tax authorities of the destination country
* Must be borne by the recipient

AVTstore neither determines nor collects these charges and is unable to provide estimates. Customers are responsible for ensuring compliance with local import regulations and are encouraged to contact their local customs authority for detailed information prior to placing an order.

5. Order Processing Timeline

  • Orders placed on business days before 12 PM are processed the same day.
  •  Orders placed after 12 PM, or on weekends/public holidays, will be processed on the next business day.
  • Once confirmed, you'll receive an order summary and tracking details via email.

6. Trusted Shipping Partners

  • We work with top-tier courier services such as DHL, Aramex, and other local logistics providers to ensure fast, safe, and reliable delivery of your orders.

7. Tracking Your Order

  • As soon as your package ships, you'll receive a tracking number via email, so you can follow its journey right to your doorstep.

8. Missed Deliveries

  • If delivery fails due to an incorrect address or the recipient being unavailable, the courier may attempt redelivery. Please note: Additional fees may apply for reshipping.

9. Damaged or Lost Packages

  • In the rare case your order arrives damaged or goes missing, contact us immediately at sales@avtstore.com or call +971 562602066. We'll coordinate with our courier partners to resolve the issue swiftly.

10. Cancelling or Modifying Orders

  • Need to make a change? 
    You may cancel or modify your order within 12 hours of placing it. After that, once the order is processed and shipped, changes or cancellations are no longer possible.

11. Special Delivery Requests

  • Have specific delivery instructions?

Simply include them in the "Order Notes" section during checkout - we'll do our best to accommodate your preferences.

Need Help?
We're here to assist you!
For any shipping related questions or concerns, please reach out to our customer support team:

Your satisfaction is our priority,  Thank you for choosing AVTstore.